What character(s) does a bitstring is encoded in each character set?

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81913f3f3f818f3f3f3f61?‘??????a
SJIS-WIN3f81913f3f3f818f3f3f3f61?¢???¥???a
EUC-JP3f81913f3f3f818f3f3f3f61?????????a
UTF-83f81913f3f3f818f3f3f3f61???????????a
UHC3f81913f3f3f818f3f3f3f61?걨???걦???a